<script lang="ts" setup>
import type {MenuItemProps} from '../types';

import {computed} from 'vue';

import {useNamespace} from '@/composables';
import {ChevronDown, ChevronRight} from '@/plugins/iconify/core';
import {JcxIcon} from '@/components/common/shadcn';

import {useMenuContext} from '../hooks';

interface Props extends MenuItemProps {
  isMenuMore: boolean;
  isTopLevelMenuSubmenu: boolean;
  level?: number;
}

defineOptions({name: 'SubMenuContent'});

const props = withDefaults(defineProps<Props>(), {
  isMenuMore: false,
  level: 0,
});

const rootMenu = useMenuContext();
const {b, e, is} = useNamespace('sub-menu-content');
const nsMenu = useNamespace('menu');

const opened = computed(() => {
  return rootMenu?.openedMenus.includes(props.path);
});

const collapse = computed(() => {
  return rootMenu.props.collapse;
});

const isFirstLevel = computed(() => {
  return props.level === 1;
});

const getCollapseShowTitle = computed(() => {
  return (
      rootMenu.props.collapseShowTitle && isFirstLevel.value && collapse.value
  );
});

const mode = computed(() => {
  return rootMenu?.props.mode;
});

const showArrowIcon = computed(() => {
  return mode.value === 'horizontal' || !(isFirstLevel.value && collapse.value);
});

const hiddenTitle = computed(() => {
  return (
      mode.value === 'vertical' &&
      isFirstLevel.value &&
      collapse.value &&
      !getCollapseShowTitle.value
  );
});

const iconComp = computed(() => {
  return (mode.value === 'horizontal' && !isFirstLevel.value) ||
  (mode.value === 'vertical' && collapse.value)
      ? ChevronRight
      : ChevronDown;
});

const iconArrowStyle = computed(() => {
  return opened.value ? {transform: `rotate(180deg)`} : {};
});
</script>
<template>
  <div
      :class="[
      b(),
      is('collapse-show-title', getCollapseShowTitle),
      is('more', isMenuMore),
    ]"
  >
    <slot></slot>

    <JcxIcon
        v-if="!isMenuMore"
        :class="nsMenu.e('icon')"
        :icon="icon"
        fallback
    />

    <div v-if="!hiddenTitle" :class="[e('title')]">
      <slot name="title"></slot>
    </div>

    <component
        :is="iconComp"
        v-if="!isMenuMore"
        v-show="showArrowIcon"
        :class="[e('icon-arrow')]"
        :style="iconArrowStyle"
        class="size-4"
    />
  </div>
</template>
